HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 769

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

B.2
MRA—DTC Mode Register A
760
Bit
Initial value
Read/Write
Functions
:
:
:
Source Address Mode
Undefined
0
1
SM1
—
7
—
0
1
Undefined
SAR is fixed
SAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
SAR is decremented after a transfer
(by -1 when Sz = 0; by -2 when Sz = 1)
SM0
—
Destination Address Mode
6
0
1
Undefined
—
0
1
DM1
—
5
DAR is fixed
DAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
DAR is decremented after a transfer
(by -1 when Sz = 0; by -2 when Sz = 1)
Undefined
DM0
DTC Mode
—
4
0
1
0
1
0
1
Undefined
H'F800—H'FBFF
MD1
—
3
Normal mode
Repeat mode
Block transfer mode
—
Undefined
DTC Transfer Mode Select
MD0
—
0
1
2
Destination side is repeat
area or block area
Source side is repeat area
or block area
Undefined
DTS
—
1
0
1
DTC Data
Transfer Size
Undefined
Sz
Byte-size
transfer
Word-size
transfer
—
0
DTC